Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1977-02-28

1979-02-27

Schaefer, Robert K.

Music

Instruments

84 127, G10H 104

Patent

active

041412699

ABSTRACT:
A plurality of tone signals corresponding to one note and having the same fundamental frequency and different harmonic components are modified in amplitude according to the shape of an envelope signal generated upon key depression and having an amplitude proportional to the key depression speed. One of the amplitude-modified tone signals is clipped at a predetermined level and then mixed with another amplitude-modified tone signal. The frequency spectrum of the resultant tone signal varies with time like a piano.

REFERENCES:
patent: 3417189 (1968-12-01), Kramer, Jr.
patent: 3515039 (1970-06-01), Omura et al.
patent: 3534144 (1970-10-01), Ring
patent: 3705948 (1971-12-01), Tomisawa
patent: 3775545 (1973-11-01), Tsukamoto et al.
patent: 3894463 (1975-07-01), Rocheleau
patent: 3935783 (1976-02-01), Machanian et al.

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